Hello, currently you do not need to enter the payment password when choosing credit card payment on Ctrip, but you are required to provide the card type, card number, cardholder name, ID number used when applying for the card, credit card validity period, and verification code. and other relevant credit card information. Ctrip has strict regulations and strong technical support for guest information security, and it also has mail-order agreements with major banks, so you can use it with confidence.